Ineed

the following data show the scores of some students in a competition:

12 points 21 points 29 points 17 points 24 points 23 points 28 points

If you're looking for the average, or mean, of the four intervals, then it's:

(24+21+22+22)÷4

89/4 = 22.25

Step-by-step explanation:

step-by-step explanation: you take each of the numbers and divide by the amount then you take the range

the mistake in the pattern is that :

b. the decimal point was moved one too many place values each time

the correct pattern could be made by :

b. moving the decimal point to the right the same numbers of place values as the exponents